Home / 40,475,246.55-55,855,840.25-21,890,386.69

Finding the Fourth Proportional to 40,475,246.55, 55,855,840.25 and 21,890,386.69

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Solution

The fourth proportional to 40,475,246.55, 55,855,840.25 and 21,890,386.69 is: 30,208,733.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475,246.55 : 55,855,840.25 = 21,890,386.69 : x
  2. Step 2: Convert to fraction form
    40,475,246.55/55,855,840.25 = 21,890,386.69/x
  3. Step 3: Cross multiply
    40,475,246.55x = 55,855,840.25 × 21,890,386.69
  4. Step 4: Simplify right side
    40,475,246.55x = 1,222,705,941,967,366.25
  5. Step 5: Solve for x
    x = 1,222,705,941,967,366.25/40,475,246.55
  6. Step 6: Final answer
    x = 30,208,733.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.